| 裂解气中NO,AsH_3,COS等杂质的色/质联用测定研究 |
| |
| 引用本文： | 郑永杰,李英杰,张维冰,吕自立.裂解气中NO,AsH_3,COS等杂质的色/质联用测定研究[J].色谱,2001,19(4):338-340. |
| |
| 作者姓名： | 郑永杰 李英杰 张维冰 吕自立 |
| |
| 作者单位： | 1. 齐齐哈尔大学化学与化学工程学院,
2. 洛阳石化工程公司炼制研究所, |
| |
| 摘 要： | 以气相色谱 /质谱 (GC/MS)的选择离子监测 (SIM )测定方式对裂解气中的一氧化氮、砷化氢、羰基硫、硫醚、硫醇等杂质进行了测定。针对一氧化碳、二氧化碳、乙烷、乙烯及氮气对一氧化氮测定的干扰 ,分别采取色谱分离和扣除响应的方法对其予以排除。考察了裂解工艺气物流对所选择离子的测定的干扰情况。对实际工艺气中的上述杂质进行了测定 ,结果一氧化氮的检出限为 10 0nL/L。
|
| 关 键 词： | 气相色谱/质谱联用 裂解气 一氧化氮 杂质 |
| 文章编号： | 1000-8713(2001)04-0338-03 |
| 修稿时间： | 2000年11月27 |
Study on the Determination of NO,AsH3,COS and Other Impurities in Cracked Gas by Chromatography/Mass Spectrometry Method |
| |
| ZHENG Yong jie ,LI Ying jie ,ZHANG Wei bing ,L Zi li.Study on the Determination of NO,AsH3,COS and Other Impurities in Cracked Gas by Chromatography/Mass Spectrometry Method[J].Chinese Journal of Chromatography,2001,19(4):338-340. |
| |
| Authors: | ZHENG Yong jie LI Ying jie ZHANG Wei bing L Zi li |
| |
| Institution: | College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar 161006, China. zyj@mail.qqhru.edu.cn |
| |
| Abstract: | The selected ion monitoring(SIM) mode of capillary column gas chromatography coupled with mass spectrometry has been used for the determination of NO, AsH 3, COS, thio ether, thio alcohol etc in gases from catalytic cracking of heavy oils The interference of CO, CO 2, ethylene, ethane and N 2 which affected the determination of NO was eliminated by chromatographic separation and subtraction of responses The interference to the determination of selected ion was studied Only C\-2H\-5SH was affected at m/z =62 and the interference could be eliminated by using the ions at m/z =47 The impurities in practical sample gas were determined The detection limit of NO was 100 nL/L The detection limits of other impurities were between 15 nL/L and 50 nL/L. |
| |
| Keywords: | chromatography/mass spectrometry cracked gas nitric oxide impurity |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《色谱》浏览原始摘要信息 |
| 点击此处可从《色谱》下载免费的PDF全文 |
|
